%0 Journal Article
%A V. I. Korzyuk
%T The problem of the conjugacy of certain nonstationary differential equations of order $2m$
%J Differencialʹnye uravneniâ
%D 1971
%P 750-753
%V 7
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_4_a15/
%G ru
%F DE_1971_7_4_a15